# Constants
genesis (specs-actors v0.9.3).
breeze (specs-actors v0.9.7).
trust (specs-actors v3.0.1).
norwegian (specs-actors v3.1.0).
turbo (specs-actors v4.0.0).
hyperdrive (specs-actors v5.0.1).
chocolate (specs-actors v6.0.0).
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smoke (specs-actors v0.9.8).
ignition (specs-actors v0.9.11).
actors v2 (specs-actors v2.0.3).
tape (specs-actors v2.1.0).
kumquat (specs-actors v2.2.0).
calico (specs-actors v2.3.2).
persian (post-2.3.2 behaviour transition).
orange (post-2.3.2 behaviour transition).
VersionMax is the maximum version number.
# Type aliases
Enumeration of network upgrades where actor behaviour can change (without necessarily vendoring and versioning the whole actor codebase).